E-Sun Announces Construction Contract for Subsidiary E-Sun Marine Hot Spring Hotel Co., Ltd.

1. Type of Contract: Engineering Contract 2. Date of Event: July 2, 2026 (Minguo Year 115) 3. Board Approval Date: Not applicable 4. Other Approval Dates: Approval Level: Approved by Chairman July 2, 2026 (Minguo Year 115) 5. Counterparty and Relationship with Company: Counterparty: Chungwei Construction Engineering Co., Ltd. Relationship with Company: None 6. Main Contents of the Contract (including total contract amount, estimated investment amount, contract start and end dates, restrictive clauses, and other important terms): Signed a construction contract with Chungwei Construction Engineering Co., Ltd. for the E-Sun Marine Hot Spring Resort project. Total Contract Amount: NT$1.536 billion 7. Name of Professional Appraisal Firm or Company and Appraisal Result: Not applicable 8. Name of Real Estate Appraiser: Not applicable 9. License Number of Real Estate Appraiser: Not applicable 10. Specific Purpose of Acquisition: To construct a resort-style hot spring hotel. 11. Dissenting Director Opinions on the Transaction: Not applicable 12. Is the Transaction a Related-Party Transaction: No 13. Date of Supervisor Approval or Audit Committee Consent: Not applicable 14. Is the Appraisal Report a Limited Price, Specific Price, or Special Price: No or Not applicable 15. Has an Appraisal Report Not Yet Been Obtained: No or Not applicable 16. Reason for Not Yet Obtaining Appraisal Report: Not applicable 17. Reasons for Significant Differences in Appraisal Results and Auditor's Opinion: Not applicable 18. Name of Accounting Firm: Not applicable 19. Name of Auditor: Not applicable 20. Auditor's License Number: Not applicable 21. Previous Date of Material Information Disclosure on the Same Event: Not applicable 22. Other Statements: None